SONY TA-SR310
¥ 54,800 (around 1986)
Commentary
An AV amplifier with a Dolby surround processor.
It is equipped with a surround function that you can enjoy with a total of 2 channels in the front and 2 channels in the rear.
In Dolby Surround mode, surround hardening is reproduced when you play a video tape with the Dolby Surround mark, and you can also enjoy Dolby Surround playback in Dolby Stereo movies stereo broadcast transmission on TV.
In Concert Hall mode, you can enjoy a wider range of sound that cannot be obtained with stereo playback.
In Simulated Stereo mode, you can extend the sound of a mono source.
It has built-in amplifiers for a total of four channels, two main speakers and two rear speakers.
Four video channels and audio Route 3 input / output jacks are installed.
Two video monitor output systems are installed : a video output system and an RF output system for televisions without an input terminal.
Equipped with a center output jack that sends out the front stereo signal in L + R monaural.
When dubbing from Video2 to Video1, it is equipped with a BGV (background video) function that allows you to exchange the sound with the source selected with the function switch.
Equipped with a master volume that can adjust the volume of the front and rear side simultaneously.
It also has a slide-type surround volume that can adjust the volume from the rear speaker independently of the master volume.
Equipped with a slide-type tone control to adjust the front bass and treble.
You can also control the left and right volume balance of the front side.
It comes with a wireless remote control that allows you to switch between surround modes, adjust front and rear volume simultaneously, turn the power on / off and mute.
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Model Rating
| Type | AV amplifier |
| Video Input / Output | |
| Signal acceptance input | 1.5Vp-p |
| Input signal level | Video1/2/3 : 1Vp-p/75 Ω |
| Output signal level | Video1/2, monitor output : 1 ± 0.1Vp-p (at input of 1Vp-p) 1ch/2ch Switching (Video Output) |
| Impedance | 75 Ω unbalanced, synchronous negative |
| Amplifier Unit | |
| Maximum practical power | Front : 38W + 38W (EIAJ, 8 Ω) Surround : 18W + 18W (EIAJ, 8 ohm) |
| Speaker compatible impedance | 8 Ω ~ 16 Ω |
| Damping factor | 40 (1 kHz, 8 Ω) |
| Harmonic distortion factor (20 Hz to 20 kHz) | 0.08% or Less (8 Ω, Front 20W + 20W, Surround OFF) |
| Frequency characteristic | 10 Hz ~ 70 kHz ± 3 dB (with front and surround OFF) |
| Residual noise | 30 μ V or less (A Network) |
| Input Sensitivity / Impedance | Tuner, CD, Tape, Video1/2/3 : 150mV/50k Ω |
| Output Level / Impedance | Tape, Video1/2 : 150mV/4.7k Ω Center out : 1.5V/470 Ω Headphones : 5 mW |
| Tone control | Bass : ± 10 dB (100 Hz) Treble : ± 10 dB (10 kHz) |
| Muting | -20dB |
| <Dolby Surround> | |
| Frequency characteristic | 10 Hz ~ 7 kHz + 0 -3dB |
| <General> | |
| Power outlet | Interlock : 1 system, 300W Non-linked : 2 systems, total 100W |
| Pwer | 100 VAC, 50Hz/60Hz |
| Power consumption | 100W |
| External dimensions | Width 430x Height 80x Depth 345 mm |
| Weight | Approx. 6.2 kg |
| Attachment | Wireless Remote Control RM-310 |